435 lines
16 KiB
VB.net
435 lines
16 KiB
VB.net
#Region "Microsoft.VisualBasic::62654a088843804f9eb38fd9f0772359, Microsoft.VisualBasic.Core\ApplicationServices\Terminal\ProgressBar\ProgressBar.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Structure ColorTheme
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'
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' Properties: BackgroundColor, IsEmpty, MessageDetailColor, ProgressBarColor, ProgressMsgColor
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'
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' Function: [Default], DefaultTheme
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'
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' Class ProgressBar
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'
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' Properties: ElapsedMilliseconds, Enable
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'
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' Constructor: (+3 Overloads) Sub New
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' Sub: [Step], consoleWindowResize, (+2 Overloads) Dispose, SetProgress, SetToEchoLine
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' tick
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'
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' Class ProgressProvider
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'
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' Properties: Current, Target
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'
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' Constructor: (+1 Overloads) Sub New
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' Function: [Step], (+2 Overloads) ETA, StepProgress, ToString
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Drawing
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Imports System.Runtime.CompilerServices
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Imports Microsoft.VisualBasic.Language.Default
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Imports Microsoft.VisualBasic.Serialization.JSON
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Namespace Terminal.ProgressBar
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''' <summary>
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''' The <see cref="ConsoleColor"/> theme for the <see cref="ProgressBar"/>
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''' </summary>
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Public Structure ColorTheme : Implements IsEmpty
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' [ERROR 2017/11/5 下午 0704:37] <Print>:System.Exception: Print
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' ---> System.Reflection.TargetInvocationException: 调用的目标发生了异常。
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' ---> System.Exception: [
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' "未能从程序集“Microsoft.VisualBasic.Architecture.Framework_v3.0_22.0.76.201__8da45dcd8060cc9a, Version=3.0.32.34335, Culture=neutral, PublicKeyToken=null”中加载类型“Microsoft.VisualBasic.Terminal.ColorTheme”。",
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' "未能从程序集“Microsoft.VisualBasic.Architecture.Framework_v3.0_22.0.76.201__8da45dcd8060cc9a, Version=3.0.32.34335, Culture=neutral, PublicKeyToken=null”中加载类型“Microsoft.VisualBasic.Terminal.ColorTheme”。"
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' ]
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' ---> System.Reflection.ReflectionTypeLoadException: 无法加载一个或多个请求的类型。有关更多信息，请检索 LoaderExceptions 属性。
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' 在 System.Reflection.RuntimeModule.GetTypes(RuntimeModule Module)
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' 在 System.Reflection.Assembly.GetTypes()
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' 在 Microsoft.VisualBasic.CommandLine.Reflection.RunDllEntryPoint.GetTypes(Assembly assm)
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' --- 内部异常堆栈跟踪的结尾 ---
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' 在 Microsoft.VisualBasic.CommandLine.Reflection.RunDllEntryPoint.GetTypes(Assembly assm)
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' 在 Microsoft.VisualBasic.CommandLine.Reflection.RunDllEntryPoint.GetDllMethod(Assembly assembly, String entryPoint)
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' 在 SMRUCC.WebCloud.httpd.CLI.RunDll(CommandLine args)
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' --- 内部异常堆栈跟踪的结尾 ---
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' 在 System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
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' 在 System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments)
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' 在 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
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' 在 System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
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' 在 Microsoft.VisualBasic.CommandLine.Reflection.EntryPoints.APIEntryPoint.__directInvoke(Object[] callParameters, Object target, Boolean Throw)
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' --- 内部异常堆栈跟踪的结尾 ---
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Public Property BackgroundColor As ConsoleColor
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Public Property ProgressBarColor As ConsoleColor
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Public Property ProgressMsgColor As ConsoleColor
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Public Property MessageDetailColor As ConsoleColor
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''' <summary>
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''' Test if all of the property value is equals to ZERO(<see cref="ConsoleColor.Black"/>).
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''' </summary>
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''' <returns></returns>
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Public ReadOnly Property IsEmpty As Boolean Implements IsEmpty.IsEmpty
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Get
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Return BackgroundColor = 0 AndAlso
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ProgressBarColor = 0 AndAlso
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ProgressMsgColor = 0 AndAlso
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MessageDetailColor = 0
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End Get
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End Property
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''' <summary>
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''' Default value for optional parameter
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''' </summary>
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''' <returns></returns>
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''' <remarks>
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''' ###### 2017-11-5
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''' This property will cause bug in reflection.
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'''
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''' ###### 2017-11-6
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''' Change from property to function to avoid bug caused application crashed
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''' </remarks>
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Public Shared Function DefaultTheme() As [Default](Of ColorTheme)
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Return New [Default](Of ColorTheme) With {
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.Value = [Default](),
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.assert = Function(t)
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Return DirectCast(t, ColorTheme).IsEmpty
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End Function
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}
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End Function
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''' <summary>
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''' The default color theme values
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''' </summary>
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''' <returns></returns>
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Public Shared Function [Default]() As ColorTheme
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Return New ColorTheme With {
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.BackgroundColor = ConsoleColor.Cyan,
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.MessageDetailColor = ConsoleColor.White,
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.ProgressBarColor = ConsoleColor.Yellow,
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.ProgressMsgColor = ConsoleColor.Green
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}
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End Function
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End Structure
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''' <summary>
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''' Progress bar for the <see cref="Console"/> Screen.
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''' </summary>
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''' <remarks>
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''' http://www.cnblogs.com/masonlu/p/4668232.html
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''' </remarks>
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Public Class ProgressBar : Inherits AbstractBar
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Implements IDisposable
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Dim colorBack As ConsoleColor = Console.BackgroundColor
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Dim colorFore As ConsoleColor = Console.ForegroundColor
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''' <summary>
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''' The current progress percentage: [0, 100]
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''' </summary>
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Dim current%
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Dim y%
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Dim theme As ColorTheme
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Shared disabled As Boolean
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Public Shared Property Enable As Boolean
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Get
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Return Not disabled
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End Get
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Set(value As Boolean)
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disabled = Not value
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End Set
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End Property
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Shared Sub New()
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disabled = App.GetVariable("progress_bar").TextEquals(NameOf(disabled))
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End Sub
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''' <summary>
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''' Create a console progress bar object with custom configuration.
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''' </summary>
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''' <param name="title">The title of the task which will takes long time for running.</param>
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''' <param name="Y">The row position number of the progress bar.</param>
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''' <param name="CLS">Clear the console screen?</param>
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Sub New(title$, Y%, Optional CLS As Boolean = False, Optional theme As ColorTheme = Nothing)
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If CLS AndAlso App.IsConsoleApp AndAlso Not disabled Then
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Call Console.Clear()
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End If
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Call Console.WriteLine(title)
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Me.theme = theme Or ColorTheme.DefaultTheme
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Me.y = Y
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If Not disabled Then
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AddHandler TerminalEvents.Resize, AddressOf consoleWindowResize
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Try
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Call consoleWindowResize(Nothing, Nothing)
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Catch ex As Exception
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End Try
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End If
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End Sub
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''' <summary>
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''' Create a console progress bar with default theme color <see cref="ColorTheme.DefaultTheme"/>
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''' (在当前位置之后设置进度条，这个构造函数不会清除整个终端屏幕)
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''' </summary>
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''' <param name="title$">The task title</param>
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Sub New(title$)
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Call Me.New(title, Y:=Console.CursorTop, CLS:=False)
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End Sub
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Private Sub consoleWindowResize(size As Size, old As Size)
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Console.ResetColor()
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Console.SetCursorPosition(0, y)
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Console.BackgroundColor = ConsoleColor.DarkCyan
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For i = 0 To Console.WindowWidth - 3
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'(0,1) 第二行
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Console.Write(" ")
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Next
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'(0,1) 第二行
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Console.WriteLine(" ")
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Console.BackgroundColor = colorBack
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Call SetToEchoLine()
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End Sub
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' title
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' progress bar
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' details
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'
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' echo
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''' <summary>
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''' 将终端的输出位置放置到详细信息的下一行
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''' </summary>
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Public Sub SetToEchoLine()
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If Not disabled Then
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Console.SetCursorPosition(0, y + 3)
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End If
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End Sub
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Public Overrides Sub [Step]()
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Call SetProgress(current)
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current += 1
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End Sub
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Dim timer As Stopwatch = Stopwatch.StartNew
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''' <summary>
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''' 获取当前实例测量得出的总运行时间（以毫秒为单位）。
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''' </summary>
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''' <returns>
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''' 一个只读长整型，表示当前实例测量得出的总毫秒数。
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''' </returns>
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Public ReadOnly Property ElapsedMilliseconds As Long
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Get
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Return timer.ElapsedMilliseconds
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End Get
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End Property
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''' <summary>
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''' 更新进度条的当前状态信息
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''' </summary>
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''' <param name="p%"></param>
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''' <param name="details$"></param>
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Private Sub tick(p%, details$)
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Console.BackgroundColor = ConsoleColor.Yellow
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' /运算返回完整的商，包括余数，SetCursorPosition会自动四舍五入
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Dim cx As Integer = p * (Console.WindowWidth - 2) / 100
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Console.SetCursorPosition(0, y)
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If p < current Then
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Call consoleWindowResize(Nothing, Nothing)
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End If
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For i As Integer = 0 To cx
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Console.Write(" ")
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Next
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Console.BackgroundColor = colorBack
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Console.ForegroundColor = ConsoleColor.Green
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Console.SetCursorPosition(0, y + 1)
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Console.Write("{0}%", p)
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Console.ForegroundColor = colorFore
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If Not String.IsNullOrEmpty(details) Then
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Console.WriteLine(vbTab & details)
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End If
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Call SetToEchoLine()
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End Sub
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''' <summary>
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''' <paramref name="percent"/>是进度条的百分比
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''' </summary>
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''' <param name="percent">Percentage, 假设是从p到current</param>
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Public Sub SetProgress(percent%, Optional details$ = "")
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current = percent
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If Not disabled Then
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Call tick(current, details)
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End If
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End Sub
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#Region "IDisposable Support"
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Private disposedValue As Boolean ' To detect redundant calls
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' IDisposable
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Protected Overridable Sub Dispose(disposing As Boolean)
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If Not disposedValue Then
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If disposing Then
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If Not disabled Then
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' TODO: dispose managed state (managed objects).
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RemoveHandler TerminalEvents.Resize, AddressOf consoleWindowResize
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End If
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Call timer.Stop()
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End If
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' TODO: free unmanaged resources (unmanaged objects) and override Finalize() below.
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' TODO: set large fields to null.
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End If
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disposedValue = True
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End Sub
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' TODO: override Finalize() only if Dispose(disposing As Boolean) above has code to free unmanaged resources.
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'Protected Overrides Sub Finalize()
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' ' Do not change this code. Put cleanup code in Dispose(disposing As Boolean) above.
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' Dispose(False)
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' MyBase.Finalize()
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'End Sub
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' This code added by Visual Basic to correctly implement the disposable pattern.
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Public Sub Dispose() Implements IDisposable.Dispose
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' Do not change this code. Put cleanup code in Dispose(disposing As Boolean) above.
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Dispose(True)
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' TODO: uncomment the following line if Finalize() is overridden above.
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' GC.SuppressFinalize(Me)
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End Sub
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#End Region
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End Class
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Public Class ProgressProvider
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''' <summary>
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''' 整个工作的总的tick数
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''' </summary>
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''' <returns></returns>
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Public ReadOnly Property Target As Integer
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''' <summary>
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''' 当前已经完成的tick数
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''' </summary>
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''' <returns></returns>
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Public ReadOnly Property Current As Integer
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''' <summary>
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''' 生成进度条的百分比值
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''' </summary>
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''' <param name="total"></param>
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Sub New(total As Integer)
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Target = total
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End Sub
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Dim previous#
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Dim previousTime&
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Public Function ETA(elapsed&, Optional avg As Boolean = True) As TimeSpan
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Dim out As TimeSpan
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If avg Then
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out = ETA(0R, Current / Target, elapsed)
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Else
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out = ETA(
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previous,
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Current / Target,
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elapsed - previousTime)
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previousTime = elapsed
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previous = Current / Target
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End If
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Return out
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End Function
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''' <summary>
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''' 返回来的百分比小数，还需要乘以100才能得到进度
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''' </summary>
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''' <returns></returns>
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Public Function [Step]() As Double
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_Current += 1
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Return Current / Target
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End Function
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''' <summary>
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''' 百分比进度，不需要再乘以100了
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''' </summary>
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''' <returns></returns>
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Public Function StepProgress() As Integer
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Return CInt([Step]() * 100)
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End Function
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Public Overrides Function ToString() As String
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Return Me.GetJson
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End Function
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''' <summary>
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'''
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''' </summary>
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''' <param name="previous#">百分比</param>
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''' <param name="cur#">百分比</param>
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''' <param name="Elapsed#">当前的这个百分比差所经历过的时间</param>
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''' <returns></returns>
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Public Shared Function ETA(previous#, cur#, Elapsed&) As TimeSpan
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Dim d# = cur - previous
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If d# = 0R Then
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d = 0.000000001
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End If
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Dim lefts = (1 - cur) / d ' lefts = 100% - currents
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Dim time = lefts * Elapsed
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Dim estimates = TimeSpan.FromMilliseconds(time)
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Return estimates
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End Function
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End Class
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End Namespace
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